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Author Topic: [ANN] [Whitepaper] NuCypher KMS: Decentralized key management  (Read 1547 times)
michwill
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July 19, 2017, 03:55:27 PM
 #1

NuCypher KMS: Decentralized key management system

We’re excited to share NuCypher KMS, a decentralized key management system (KMS) for public blockchains. With NuCypher KMS, an entirely new set of decentralized applications is unlocked for developers. Use cases requiring secure storage, sharing, and manipulation of private data can now be built on public blockchains, allowing for greater protection and control of private data.
The post below gives an overview and a detailed description can be found in our draft technical white paper.

What
NuCypher KMS provides encryption and cryptographic access controls, without reliance on a central service provider. It leverages state-of-the-art proxy re-encryption technology to allow re-keying encrypted data. This allows a decentralized network of nodes to provide key management operations, without accessing private keys or plaintext data.

How
The core technology is proxy re-encryption (PRE), a cryptographic primitive which allows a third-party proxy to transform ciphertexts from one public key to another (using re-encryption keys), without learning anything about the underlying message.

Main actors and interactions in a PRE environment
This ability to securely delegate access to private, encrypted information, makes PRE an ideal candidate for constructing cryptographic access controls for distributed systems such as blockchain, internet of things (IoT), and big data.
In NuCypher KMS, access controls are issued, enforced, and revoked via smart contracts executed by a decentralized network of re-encryption nodes. This network controls re-encryption keys and allows data owners to conditionally grant and revoke access to third-parties based on their public key.
Re-encryption nodes are incentivized to behave properly using a proof-of-stake NKMS token. If the nodes are malicious or defective, their deposit is forfeit. Correctly behaving nodes are incentivized to provide re-encryption services through payment in NKMS.

Use cases
NuCypher KMS enables public blockchains to securely store and manipulate secrets, giving decentralized applications a way to work with private data. But key management as a service is useful for centralized applications, too.
Potential use cases include:
  • KMS-as-a-service for handling secrets in AWS instances (similar to Hashicorp Vault, Amazon Key Management etc);
  • Safely storing encrypted secrets alongside code on GitHub;
  • Decentralized Digital Rights Management (DDRM);
  • Pay-to-view streaming;
  • Encrypted digital content marketplaces;
  • Private multi-user chats;
  • Private, shareable file storage;
  • Patients sharing medical records with healthcare providers;
  • Blind identity management;
  • Mobile device management and revocation.

Call for contributions
We’re very interested in the community’s suggestions and comments on the technical white paper — everything from security to token economics to functionality requests. We’re also excited to brainstorm use cases for NKMS and would love to hear your ideas. Your involvement will help inform the final, revised version of the white paper.

You can find a draft of the technical white paper and the GitHub repo.

Join our NuCypher KMS community. We look forward to answering your questions on:

And to keep up to date with our future announcements, subscribe to our mailing list.
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July 26, 2017, 06:05:44 PM
 #2

Our library to play with proxy re-encryption in Python termnial!

https://medium.com/@NuCypher/proxy-re-encryption-playground-in-python-3bc66170b9bf
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August 09, 2017, 06:01:24 PM
 #3

Update:

  • Business primer
  • Whire paper added
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January 03, 2018, 01:12:43 AM
 #4

reserve for Chinese translation and business cooperation
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January 06, 2018, 05:42:50 PM
 #5

Hi!

Just dropping by to ask whether there is a possibility of investing and when we might expect it?

Thanks
mugwump
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January 23, 2018, 09:20:52 AM
 #6

Is Thread alive at all?
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January 26, 2018, 08:23:30 PM
 #7

Is Thread alive at all?

I don`t think so. I have not found offical NuCypher thread.

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January 26, 2018, 08:26:10 PM
 #8

Hi!

Just dropping by to ask whether there is a possibility of investing and when we might expect it?

Thanks
mugwump

There is no fixed date yet but I`ve read about early 2018. So maybe start will be on february or march.

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February 06, 2018, 04:26:42 PM
 #9

Only this thread about NuCypher?
Strange.. So interesting project and no have normal thread

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February 12, 2018, 06:48:29 AM
 #10

Do you have run any bounty campaign or planning to run it?

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February 13, 2018, 05:54:03 PM
 #11

 This might be interesting. Are you planning bounty programm??

https://icoview.org/
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February 16, 2018, 09:31:30 AM
 #12

The whole idea of decentralized key management system makes me really interested, this thread needs to be more live.

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February 25, 2018, 09:04:25 AM
 #13

  I am also interested in this issue: Are you planning bounty programm? A lot of peole would like to participate in bounty   It's a good excuse to start it. Concerning the draft itself, I think it has very big future. What are you thinking about doing after sale tokens? I am waiting for your answer.
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February 26, 2018, 08:37:13 PM
 #14

Do you have run any bounty campaign or planning to run it?

https://akropolis.io/
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March 03, 2018, 05:35:11 PM
 #15

will you have a bounty program? i aam interested . its a great project i dont want to miss it

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March 08, 2018, 08:56:52 AM
 #16

I like the fact that this is an infrastructure token and not a utiliy token. I will be purchasing Nucyhper once it becomes available and holding my coins for longterm.

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March 26, 2018, 10:45:18 AM
 #17

The main technology is proxy encryption (PRE), a cryptographic process that allows an outside proxy to send encrypted information from one public side to another (using re-encryption keys) without disclosing information about the information underlying the message.

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April 11, 2018, 03:38:09 AM
 #18

Newest partner, Origin Protocol, announces they'll be using NuCypher for their sharing economy protocol:
https://medium.com/originprotocol/origin-nucypher-private-data-on-a-public-blockchain-ba6e6f85ecb8

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April 16, 2018, 05:37:38 PM
 #19

Newest partner, Origin Protocol, announces they'll be using NuCypher for their sharing economy protocol:
https://medium.com/originprotocol/origin-nucypher-private-data-on-a-public-blockchain-ba6e6f85ecb8

Wow, that's a great news, thank you.
It is said that when two great thoughts meet, it will make a big thing. Just as Nucypher and Origin work together, this will probably bring great success to both projects.





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April 16, 2018, 06:10:02 PM
 #20

Love it due very less supply it is going to put the Market on fire its a good project looking it will give good profit to all invest

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